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verticillaster

noun ver·ti·cil·las·ter \ ˌvərtəsə̇ˈlastə(r) \
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Definition of verticillaster

plural -s
: a mixed inflorescence (as in many labiates) consisting of a pair of much-condensed nearly sessile cymes arranged around an axis like a true verticil

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Origin and Etymology of verticillaster

New Latin, from verticill- + -aster

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